白磷钙石的水热合成

Hydrothermal Synthesis of Whitlockite

在180℃含CaO、Mg(NO_3)_2和H_3PO_4的水热系统中,反应2~4 h,成功沉淀出白磷钙石晶体。对产物进行了SEM、XRD和FTIR分析。初步的研究表明:样品主要由5~15μm的单晶体和球形聚集体组成,XRD、FTIR图谱与合成白磷钙石(Ca_(19)Mg_2H_2[PO_4]_(14))相吻合。

The whitlockite crystals were successfully deposited from the hydrothermal system with CaO,Mg（ NO3）2 and H3PO4 at 180 ℃ within 2-4 h. According to the XRD analysis and SEM observation,it is showed that the sample consists mainly of monocrystal spherical aggregates of 5-15 μm in size,the XRD patterns and FTIR spectra were in agreement with the synthetic whitlockite（ Ca（19）Mg2H2[PO4]（14））.